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Condensed Consolidated Statements of Comprehensive Income - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Statement of Comprehensive Income [Abstract]        
Net income $ 2,386 $ 4,018 $ 8,179 $ 3,524
Other comprehensive income (loss), net of tax (Note 16)        
Foreign currency translation adjustments and other (210) 67 87 (964)
Defined benefit plans 197 (115) 385 163
Other comprehensive income (loss), net of tax (13) (48) 472 (801)
Comprehensive income 2,373 3,970 8,651 2,723
Comprehensive loss attributable to noncontrolling interests 40 21 112 59
Comprehensive income attributable to stockholders $ 2,413 $ 3,991 $ 8,763 $ 2,782